#include <stdio.h>
void swap (int*,int*);
int main()
{

	
		int a, b;
		scanf_s("%d", &a);
		scanf_s("%d", &b);
		swap(&a,&b);
		printf("a=%d,b=%d", a, b);

		return 0;
}
void swap(int*a,int*b)
{
	int p;
	p = *a;
	*a = *b;
	*b = p;
}